CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, unless otherwise specified	12 Months Ended
Jan. 01, 2015	Dec. 26, 2013	Dec. 27, 2012
REVENUES:
Admissions	$ 124.0us-gaap_AdmissionsRevenue	$ 134.4us-gaap_AdmissionsRevenue	$ 140.4us-gaap_AdmissionsRevenue
Concessions	48.4us-gaap_ConcessionsRevenue	50.9us-gaap_ConcessionsRevenue	53.0us-gaap_ConcessionsRevenue
Other operating revenues	8.2us-gaap_OtherOperatingIncome	8.3us-gaap_OtherOperatingIncome	8.1us-gaap_OtherOperatingIncome
TOTAL REVENUES	180.6us-gaap_Revenues	193.6us-gaap_Revenues	201.5us-gaap_Revenues
OPERATING EXPENSES:
Film rental and advertising costs	63.7uatc_FilmRentalAndAdvertisingCosts	68.9uatc_FilmRentalAndAdvertisingCosts	70.8uatc_FilmRentalAndAdvertisingCosts
Cost of concessions	6.4us-gaap_ConcessionsCosts	6.7us-gaap_ConcessionsCosts	7.0us-gaap_ConcessionsCosts
Other theatre operating expenses	66.5us-gaap_OtherCostAndExpenseOperating	74.9us-gaap_OtherCostAndExpenseOperating	76.6us-gaap_OtherCostAndExpenseOperating
Sale and leaseback rentals	15.2	15.1	15.1
General and administrative expenses	5.5us-gaap_GeneralAndAdministrativeExpense	5.9us-gaap_GeneralAndAdministrativeExpense	6.1us-gaap_GeneralAndAdministrativeExpense
Depreciation and amortization	6.3	6.9	8.1
Net loss on disposal and impairment of operating assets and other	0.4	1.3	3.2
TOTAL OPERATING EXPENSES	164.0us-gaap_CostsAndExpenses	179.7us-gaap_CostsAndExpenses	186.9us-gaap_CostsAndExpenses
INCOME FROM OPERATIONS	16.6us-gaap_OperatingIncomeLoss	13.9us-gaap_OperatingIncomeLoss	14.6us-gaap_OperatingIncomeLoss
OTHER EXPENSE (INCOME):
Interest expense, net	(0.2)	0	0
TOTAL OTHER EXPENSE (INCOME), NET	(0.2)us-gaap_NonoperatingIncomeExpense	0us-gaap_NonoperatingIncomeExpense	0us-gaap_NonoperatingIncomeExpense
INCOME BEFORE INCOME TAXES	16.8	13.9	14.6
PROVISION FOR INCOME TAXES	6.7us-gaap_IncomeTaxExpenseBenefit	5.7us-gaap_IncomeTaxExpenseBenefit	7.8us-gaap_IncomeTaxExpenseBenefit
NET INCOME	10.1us-gaap_ProfitLoss	8.2us-gaap_ProfitLoss	6.8us-gaap_ProfitLoss
NONCONTROLLING INTEREST, NET OF TAX	(0.1)	(0.1)	(0.1)
NET INCOME ATTRIBUTABLE TO CONTROLLING INTEREST	$ 10.0	$ 8.1	$ 6.7

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